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JNR Class D62

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JNR Class D62 (Rebuilt : 20 : D52)
Type and origin
Power typeSteam
RebuilderJNR Hamamatsu Works
Rebuild dateMarch 1950 – March 1951
(from JNR Class D52)
Number rebuilt20
Specifications
Configuration:
 • Whyte2-8-4
 • UIC1′D2′ h2
Gauge1,067 mm (3 ft 6 in)
Driver dia.1,400 mm (55+18 in)
Adhesive weight64 tonnes (63 long tons; 71 short tons)
Loco weight88 tonnes (87 long tons; 97 short tons)
Firebox:
 • Grate area3.9 square metres (42 sq ft)
Boiler pressure16.0 kg/cm2 (1.57 MPa; 228 psi)
Heating surface167 m2 (1,800 sq ft)
Superheater:
 • Heating area78 m2 (840 sq ft)
CylindersTwo, outside
Cylinder size550 mm × 660 mm (21+58 in × 26 in)
Performance figures
Maximum speed85 Km/h (52 Mph)
Tractive effort190.196 kN (42,758 lbf)
Career
OperatorsJapanese National Railways
NumbersD62 1-D62 20 (formerly D52 368/D52 448/D52 401/D52 450/D52 449/D52 42/D52 344/D52 336/D52 94/D52 132/D52 337/D52 397/D52 211/D52 334/D52 377/D52 338/D52 343/D52 360/D52 339/D52 462)
Retired1966
Preserved0
Scrapped1966
DispositionAll scrapped

The Class D62 (D62形) is a type of 2-8-4 wheel arrangement steam locomotive built by the Japanese National Railways (JNR) in 1950 and 1951.

20 Class D62s were rebuilt from the earlier Class D52, which had a 2-8-2 wheel arrangement.[1] Following the launch of the Class D62, other 2-8-2 locomotives (Class D50 and Class D51) were also converted to 2-8-4, becoming Class D60 and Class D61, respectively. They were numbered D62 1-D62 20 (formerly D52 368/D52 448/D52 401/D52 450/D52 449/D52 42/D52 344/D52 336/D52 94/D52 132/D52 337/D52 397/D52 211/D52 334/D52 377/D52 338/D52 343/D52 360/D52 339/D52 462) were renumbered D62 1-D62 20 between 1950 and 1951 rebuilt by the JNR Hamamatsu Works in 1950 and 1951 they were retired in 1966 . And all were retired and cut up for scrap in 1966 . None of the D62 2-8-4 Berkshires were preserved .

Preservation

No examples of the class have been preserved.[2]

The D62 is the model upon which the Transformers character Astrotrain is based.[3]

See also

References

  1. ^ Inoue, Kōichi (1999). 国鉄機関車辞典 [JNR Locomotive Encyclopedia] (in Japanese). Japan: Sankaido. p. 63. ISBN 4-381-10338-6.
  2. ^ Sasada, Masahiro (September 2012). 国鉄&JR保存車大全 [JNR & JR Preserved Rolling Stock Complete Guide] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. ISBN 978-4863206175.
  3. ^ "The Transformers Collection TFC #11 G1 Astrotrain Triple Changer Action Figure by Takara Tomy - Shop Online for Toys in the United States". Fishpond.com. Retrieved 2015-05-27.